39999778

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31397}}^1$

素因数の和:31426

約数の個数: 24

約数和(自身を含む): 75166812

約数和(自身を除く): 35167034

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 31397, 62794, 219779, 408161, 439558, 816322, 1538453, 2857127, 3076906, 5714254, 19999889, 39999778]

約数ペア:

[(1, 39999778), (2, 19999889), (7, 5714254), (13, 3076906), (14, 2857127), (26, 1538453), (49, 816322), (91, 439558), (98, 408161), (182, 219779), (637, 62794), (1274, 31397)]